At least 36 workers are feared to be trapped inside an under-construction tunnel that collapsed on the Yamunotri National Highway here in Uttarakhand's Uttarakashi district, officials said on Sunday.
According to officials of Hyderoelecticity Investment and Development Company Limited (HIDCL), which is looking after the construction work of the tunnel, about 36 people are trapped in the tunnel connecting Silkyara to Dandalgaon and efforts are being made to rescue them safely.